AP Bio DNA Enzymes

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11 Terms

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DNA polymerase

Enzyme that adds nucleotides to the growing DNA chain during replication

<p>Enzyme that adds nucleotides to the growing DNA chain during replication</p>
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DNA ligase

Enzyme that joins the Okazaki fragments on the lagging strand

<p>Enzyme that joins the Okazaki fragments on the lagging strand</p>
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Primase

Enzyme that synthesizes RNA primers

<p>Enzyme that synthesizes RNA primers</p>
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Replication Fork

A Y-shaped region on a replicating DNA molecule where new strands are growing.

<p>A Y-shaped region on a replicating DNA molecule where new strands are growing.</p>
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Leading Strand

The strand that is synthesized continuously during DNA replication

<p>The strand that is synthesized continuously during DNA replication</p>
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Lagging Strand

The strand that is synthesized discontinuously during DNA replication

<p>The strand that is synthesized discontinuously during DNA replication</p>
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Okazaki Fragments

Short, newly synthesized DNA fragments on the lagging strand

<p>Short, newly synthesized DNA fragments on the lagging strand</p>
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Topoisomerase

Enzyme that relieves tension on the DNA double helix during replication

<p>Enzyme that relieves tension on the DNA double helix during replication</p>
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Semiconservative Replication

each new DNA molecule is composed of one original strand and one newly synthesized strand.

<p>each new DNA molecule is composed of one original strand and one newly synthesized strand.</p>
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RNA Primer

Short strand of RNA that serves as a starting point for DNA synthesis.

<p>Short strand of RNA that serves as a starting point for DNA synthesis.</p>
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Helicase

unwinds DNA

<p>unwinds DNA</p>